The _____ is a muscular tube that divides at its lower end into two branches called the primary bronchi.

Question

Quizplus · Accepted Answer

The trachea, also known as the windpipe, is a muscular tube that connects the larynx (voice box) to the bronchi in the lungs. It divides into two branches called the primary bronchi, which further subdivide into smaller bronchi and bronchioles. The alveoli are small air sacs at the end of the bronchioles where gas exchange occurs, while the pharynx is a common passageway for food and air.

The _____ Is a Muscular Tube That Divides at Its